Long-term palliation of tetralogy of Fallot in dogs by use of a modified Blalock-Taussig shunt.

Objective: To describe a modified Blalock-Taussig shunt (mBT) procedure and assess its use in dogs with clinical signs associated with tetralogy of Fallot (TOF).

Design: Descriptive report.

Animals: 6 dogs with severe TOF-associated clinical signs.